Question

which of the following is not part of the mitotic spindle? pores asters microtubules centrosomes

Explanation:

The mitotic spindle is made up of microtubules. Asters are microtubule - based structures radiating from centrosomes. Centrosomes are the main microtubule - organizing centers. Pores are not part of the mitotic spindle structure.

Answer:

A. pores